The answer is A because D would be contradictory to your question, B only works if it's out of the water, and C makes no sense. So yeah, A they swim into cooler water. Hope this helps!
B. Facilitated diffusion.
Facilities diffusion is a type of passive transport that invokes a protein. molecules move from an area of high concentration to low concentration as seen in the picture with the help of a protein.
Ferns, club mosses, horsetails, and which ferns are seedless vascular plants that reproduce with spores and are found in moist environments.
The answer would be choice B -<span> fresh water; brackish water; salt water</span>.
Brackish water is not as salinity as fresh water, but isn't as salty as salt water.
-UF aka Nadia
